Attachment for camera



FIG. 1 is a front view of an attachment for camera showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top side view thereof;

FIG. 4 is a bottom side view thereof; and,

FIG. 5 is an oblique view thereof.

The broken lines depict portions of the attachment for camera that form no part of the claimed design. 

CLAIM The ornamental design for an attachment for camera, as shown and described. 